Heel-nailing machine.



No. 861,051. I PATENTED JULY 23, 1907. G. M. PETTENGILL.

HEEL NAILING 'MAGHINE.

APPLIOATION FILED JAN. #1907.

ZVzZnesLves PA'L'ENTEDJULY 2a, 1907.

G. M. PETTENGILL. HEEL NAILING MACHINE.

APELIOATION FILED JANA. 1907.

4 SHEETS-SHEET 2.

M1772 es es PATENTED'JULY 23, 1907.

G. M. PETTENGILL. HEEL NAILING MACHINE. APPLICATION FILED JANA. 1907.

4 sums-sum a.

ZViZ/ZGSSES PATENTED JULY 23, 1907.

G. M. PETTBNGILL.

HEEL NAILING MAGHINB." APPLICATION FILED JAN. 51907.

4 SHEETSSHEET 4.

WM, 31/ 222 6&8 es, V

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UNITED STATES HEEL-NAI'LING MACHINE.

Specification of Letters Patent.

Patented July 23, 1907.

Application filed January 4, 1907- Serial No. 350.850.

To all whom it may concern:

Be it known that I, Gnomes M. Pnr'rENcrLL, of

Haverhill, countyof Essex, State of Massachusetts, have invented" an Improvement in Heel-Nailing Machines, 'of which the following descriptioinin connection with the accompanying drawings, is a specification, like characters on the drawings representing like parts.

In heel nailing machines it has been customary 'to form nail holes in the heel with a series of awls previous to driving the nails, this operation being generally known as pricking the heel, but in the machines now generally employed this operation has been eliminated, with the result that the time in which the whole heeling operation may beperformed is reduced by about one-third. W hile the preliminary pricking of the heel is not an essential in most instances, yet it is nevertheless desirable in all instances, for the reason that the danger of the nails being crippled or bent, while they are being driven through the heel to clench them, is to a great extent avoided, the crippling of the nails being of frequent occurrence when the heels are not previously pricked. Moreover if the nail holes areinot fornml'previous to driving, it frequently happens that some of them are so deflected or driven in a direction other than that desired, that they are forced out through the side of the heel or are driven so close to the surface that thcy are encountered by the heel shaving cutter, much to the detriment of the latter. In such instances it is often necessary to remove the heel and attach a new one.

The principal object of my invention is to provide a heel nailing machine with means whereby the heel may be pricked prcviousto nailing without materially increasing the number of operations necessary to attach its heel and top lift, or the time consumed in performing the whole operation.

In nailing on heels, and particularly high, and what are known as fancy heels, it is not only diflicult to drive the nails so that they will pass completely through theheel, withoiit previously pricking it, but it is often desirable that then'ails be driven obliquely to the face of the heel to correspond with the inclination of the breast tlereof. While guiding devices'have been provided which are supposed to cause the nails to bedriven at the desired inclination, yet these devices are not uniformly effective, and are disadvantageous for reasons which need not be here explained.

In this connection, a further object of my invention is to provide means whereby the nail holes in the heel may be formed by the awls at different inclinations to the face thereof, so that the nails will be'necessarily driven in the desired direction for a considerable portion of their length, the possibility that they will thereafter be deflected being very remote.

Further objects of my invention are to'improve prior forms of heel machines in certain more minor particulars which will hereinafter appear.

I accomplish the principal object of my in'vention, above referred to, by providing means whereby one heel will be prickcd simultaneously with the operation of spanking the top lift onto another heel already attached to a shoe, and I accomplish the second object of my invention by providing means whereby the inclination at which the heel is held with relation to the path of the awls may be varied, so that the direction of the nail holes with relation to the face of the heel may be correspondingly varied.

Fora more complete understanding of my invention reference is made to the accompanying drawing, in which,

Figure 1 is a front elevation of a machine made. according to that invention. Fig. 2 is a vertical section thereof on the line aa of Fig. 1. Figs. 3 and 4 are detail views in plan and front elevation, respectively, of the heel holder. Fig. 5 is a rear elevation of the heel carrier and awl mechanism. Fig. 6 is a plan view of the machine. Fig. 7 is a detail view of the heel carrier mechanism taken on the line aa of Fig. 1. Fig. 8 is a plan view of the carrier slide. Fig. 9 is a detail sectional view onthe line b-b of Fig. 6. Figs. 10, 11 and 1.6 are enlarged detail views on the line aa, Fig. 1, showing the parts in different positions. Fig. 12 is an enlarged detail viewwn the line c-c of Fig. 6. Fig. 13 is a similar view on the line d-rl Fig. 6. Figs. 14 and 15 are detail, plan and side elevations of the top lift holder. Fig. 17 is a detail view of the nail plate. Fig. 18 is a detail view on line e-e of Fig. 12.

The general type of machine shown, to which I preferably apply my invention, is of that class known as the vertically movable cross head and turret type, although many of the features thereof may be applied to machines of other types.

The main frame 1 of the machine has the driving shaft 2 journaled therein, and said shaft is connected to the crank shaft 3 by means of intermediate gears 4, 5, G and 7, so that the operating plunger 8 will be constantly raised and lowered when shaft 2 is driven. A vertically movable cross-head 9 is mounted on. the lower ends of the side rods 10, onthc upper ends of which the upper cross-head 11 is also mounted. Springs 12 are arranged on said rods 10 and act between lugs 13 upon the frame and collars 14' uponthe rods 10, to hold the cross heads in their uppermost position. A bar 15 is adapted to be moved between the lowerend of the plunger 8 and the cross-head 9 by means of the treadle 16 and intermediate gears 17 and 18 and arm 19, so as to form a connection between the plunger and the cross-head. That is, when the trcadle 16 is depressed' the bar 15 is moved rearwardly from the full line position of Figv 2, so .that when the plunger 8 descends it' will engage the bar 15 and force the cross-heads downwardly against the action of the springs 12.

The bed l of the fraine'is providedwith guide-ways in which the jack 20 is slidablymounted, said jack being of ordinary form and forming no part of my invention. A base piece 100 is mounted on the bed in the rear of the jack and the nail plate holder "21 is mounted directly thereabove, said holder having a guide rod 22 connected to the under side thereof which passes down through said base piece and is adapted to slide verti A supporting spring 23 is mounted on cally therein. said rod 22, and is arranged between the under side of the holder 21 and said base piece, and a guiding extension 210 is formed integral with said holder which extends upward from the main body thereof and is held to slide between guide-ways 24 on the rear side of the upper cross head 11. A hand lever 25 is pivoted on the base piece 100 and is connected by a link 26 to the holder 21, so that the latter maybe drawn downwardly .by said lever against the action of the spring 23, said I rod 22 and extension 210 forming effective guiding said holder maybe vertically adjusted. The bracket side of the holder 27 adjacent the'r'ear end thereof; so 7 is mounted in a dovetail slot formed in the upper side 31 is mounted in guideways formed in the base piece 100, so that it may be adjusted to and from the jack, an adjusting screw 32 being provided therefor which has a swivel connection with the base piece 100, and a threaded connection with a depending lug 310 formed on the under side of the bracket 31. The holder 27 is pivotally connected at its front end to the support 28 by means of a horizontal'pin 33, extending transversely of the jack, so that said holder may be adjusted horizontally or inclined rearwardly. A set screw 34 is threaded in the support 28 and bears against the under that the inclination of said holder may-be varied by raising or lowering said screw 34 A plate 35, having a convex projection thereon, cor.- re'sponding to the usual depression formed in the heel,

of holder 27, so that it may slide horizontally to and from the jack, said plate being provided at its rear end with a pair of upwardly extending lugs 37 which are adapted to engage the rear edge of the heel to hold the same from rearward movement. Ari adjusting screw -38 is threaded in the holder 27'anil a depending lug 39 on the rear end of plate 35, has a swivel connection therewith, so that said plate'may be adjusted forwardly or'rearwardly thereby. Y

I A. pair of brackets 40 are mounted to slide transversely of the jack in a dovetail groove formed in the front side of the support 28 and a screw 41, having right and loft P\ chine and said turret is provided with two arms 45 and 46. The arm 45 carries the driver head 450 having the usual drivers 47; and a snort driver or finger 4'8, and the arm 46 carries the top lift holder 49. These devices on the turret, with the exception of the-finger 48, are substantially the same as those well known in the art, the

top lift holder being provided with a pair of spring guiding arms 50 which are adapted to grasp the top lift and hold it in the desired positiop, and an adjusting screw 51, see Figs. 14 and 15, bcingprovidcd for adjusting the arms 50 according to the width of the top lift. The shaft 52 on which the turret 44 is mounted, is provided on its rear end with the pinion or gear 53, which is ad apted to mesh in the rack 54'formcd on the awl holder guiding plate 55, said plate being held and adapted to move vertically between the cross-head '11 and the extension 210 of holder 21 and between guide-ways 21] formed in the rear side of said extension. An awl holder 56 has a series of awls 57 and a short plunger 58 mounted therein, and is removably connected to the bottom face ofa head 550 formed integral with the guiding plate 55 at its lower out]. i Said'awlsare thus arranged to be adjusted vertically independently of the cross-head by rotating the turret shaft, and to be moved vertically with said cross head directly over the heel holder 27. A lug 460 on the top lift holder arm 46 is'adaptod to on gage the upper side of the head 550 under certain convided. v

.The nail plate 61 is mounted to slide horizontally in the holder 21, said plate being provided with an up wardly extending handle 62 at its rear end, as shown -in Fig. 2 The front end portion of said plate is provided with the usual nail holes 63 arranged'to correspond tically in plate 610 adjacent [he middle thereof. Said brads 65 are suspended by their heads in a sleeve '66 which is slidably inountcd in a hole 67 through the nail 'plate'oi corresponding size, said sleeve resting on the end of a lever 68 when in its lowest position. Said lever 68 is pivoted to the nail plate 61 in a recess 69 formed therein adjacent the plate 6l0 and'an aperture 70 is provided in the nail plate in a. line with the front,

end of said lever 68, the rear end thereof being adapted to extend beneath the sleeve 66 so that when the front end of said lever 68 is depressed the rear end thereof will lift the brads (i5. Thesh'ort plunger 58 is arranged to enter the hole 67' of the nail plate to engage the heads of the brads 65, and the short plungerflS is arranged to enter the hole 70 thereof to engageth'e lever 68, under conditions which will hereafter be explained.

A circular nail holding plate 71'ismounted in a circular recess on the upper side of a bridge piece72 rigidly with the gang of drivers which are to be employed, A I plate 610. is secured to the under side of the nail plate secured to support 21, and two or more series of nail different series into register with a-particular series of I nail holes 63 in the nail plate. A locking pin 74 is pro videcl to hold the plate 71 in different positions, as

shown in Fig. 13. A plate 75 is adapted to be secured to bridge piece 72 above the plate7l, and is provided with a series of nail holes corresponding to the particu-' neath the plate 71 and is movable in guidcways formed in the base piece 72 and ail-shaped spring 77 is connected atone end to said piece 7 2 and at the other to the slide 76, said spring being adapted to withdraw the slide from beneath the nail holes in plate 71. A lip on the end of the slide is adapted to engage a cross bar 79 beneath the slide and secured to piece 72 to limit the movement thereof by said spring. An angular lever 80 is pivoted at 81 to the bridge piece 72 and a'locking pin 82 is mounted in said piece 72 and movable vertically therein, one end of said lever being pivotally connected to said pin, and said lever being balanced to permit said pin to drop into a hole 83 in the slide 7 ti to lockthe latter in its innermost position, see Fig". 18. A pin' 84 is mounted in the nail plate in position to en-- gage the opposite end portion of said lever 80 from locking pin 82, said end portion extending below the pivot 81 and being bent obliquely at its end as shown in Fig. 6, s0 that when pin 84 engages the oblique surlace at said end it will push the same transversely of the nail plate, causing the opposite end of lever 80 to be raised withdrawing said locking pin from the hole 8. in the plate, so that the spring 77 may act to Withdraw it from beneath the holes 73 of the nail holderplate 71. Pin 84 is so located that this action takes place just beiore the nail plate 61 is withdrawn to its rearmost position.

A spring linger 85 is secured to one side of the holder 21 and a pin 86 is secured in the end thereof and extends at; opposite sides of said linger. One end of said pin extends through the sides of the nail plate guidcway ol the holder 21, so that when the nail plate (ll. is in one of the three positions to which it lSlllOVOtl in the course i -.of operation, said spiring arm will force said pin 86 into one of three recesses ,87, S8 and 89 formed in the adjacent edge olthe nail plate. Said recesses 88 and 89 are inclined rearwardly from the bottom thcrcol to thc edge of the plate, so that, when the plate is moved inwardly, the pin 85 may slide thcrciro1n,'thereby per mitting forward movement of the plate without withdrawing. the locking pin 86.

, the three positions in which it may be lociacd and to prevont'thc assistant oi the operator l'roin moving Lhc nail, plate when the lattcr is in any position but its up- .perlnost position. When the iniicr cnd ol' the pin so is in onc'ol the notchcs S7, 825, or 89 and the holder 2i is fhcld down, thcn the pin 'sti cannot. be movcdout of its 'JIOLCll to permit the platclil to be movcd, as such 1novcmcnt is prevented by rod .90, which will cngagc the outer cud of pin fill. \Vhcn thc pin Stiis in its outer posltion, to pcrmit. tlic plntc lillo slide. thcn the outer cnd oi said pin will cngagctzc uppcr cud ol rod 90 and prevent thc holdcr 2i l'rom being. lou'crcd. I

Belorc operating the machine, the jar-lg will be vcrt i cally adjusted according to the height ol heel to be atadjust.cd. ln'this connection it will be noted that the adjustment ol' the holder 7 also accomplishes the adjustment ol' thc guiding lingers 12 which are ordinarily adjusted ind cpendontly ol' the jack.

On Slzlllillg to operate the machine the nail supporting plate Ttiwill be locked in inner position shown in Fig. 7. and the turret will be turned until the top lil't holder is in position over the jack, this movement permitting the awl holder so to be lowered to its lowest position, as indicated in Fig. 11'. moved to its middle. position, so that the nail holes o3 therein are directly over the holder 27 and the pin 86 is in thc middle rccess 88 01' the plate til. A heel is then placed on top of the holdcr 27 so that its back edge rcsts against the lingers 37 and thc holdcr Zl is lowered, pressing the platc (31 on the heel. 'lhc treadle l6 then operated and the cross head is lowered carrying down the awl holder to, so that, the awls pass through the holes of. in the nail plate and enter the heel and forms the nail holcs thcrcin, or prick it, as indicated in Fig. ll. Simultaneously with this operation the short brads G l will be forced into the heel. and the plunger 58 will engage the heads of the: awls (l5 and drive them into the heel for a considcrablc distance.

The parts are so arranged that when the turret is rotated to the position of Fig. ll the lug 460 on the arm 16 will bear against the upper side of the head 550,,so that the force which it takes to drive the awls into the heel .will becommunicated thereto from the cross head through said lug, as well througlrthe pinion 53.

It is often desired to have the nails driven slightly obliquely to the surface of the heel, as well as perpendicul'arly, and, in order that. they may be driven at any degree of inclination desired the above described means for varying the inclination of the holder 27 is providcd, such variation being accomplished byturning the screw 37, so that the lace of the heel may be held at the desired angle to the path ol movement ol' the awls, causing the awlslo pass into and partly through thc heel at a corresponding angle. In practice it is only necessary to incline the holc lrom front to roar inwardly, so that there is practically no tendency to force the heel forwardly while it is being PI'lPkAKl, the stops 37 being su llllltlll to-hold the heel-in position.

"be above dcscribcd action of drivingtlic awls (35 in recess 89. As the nail'phite reaches its rcarmostiposlbitlll l llo pin-S4 will swing the lever 80 so aslo withdraw the pin, 82. from the hole 83 in the nail supporting platc 76, to permitthcspring'77 to withdraw said platc 7o l'roni bcncath the nails which have already been placed in the holes 73. -.[his action permits the nails to lall into the holes 63 of the nail plate and also into inched, and the holder 27 will also be correspondingly and brads (i l into the heel, causes the hccl'to bccolnc' ing plate 71,;and further rearward-movcmcnt is prca vented by the cngagcmcntrol the pin 86 with the plate 2 The nail plate is the nail holes which have'been formed in the heel, as

indicated in Fig. 16. The assistant then pushes the nail plate forwardly until the heel is held directly over the jack and the holes 63- are in line with the path of the drivers, the pin 86 entering therecess 87 to lock the'plate in thisposition. Duringthe latter part of this motion the handle 62 on the plate engages the nail supporting slide 76.and forccsthe same into its'no rmal position beneath the holes in the plate 71, so that the pin 82 may fall into the hole 83 thereinto lock'it in place, as shown in Figs. 3, 7 and 18. While this operation has been taking place the operator will have turned back the turret, so that the drivers are in position over the jack, the consequent rotation of the turret shaft causing the pinion 53 to lift the awl holder 55 to its uppermost position, as shown in Fig. 10. The plate holder 21 is then lowered to press the nail plate against the heel, the foot lever 16 is operated and the cross head is lowered so that the drivers 47 .pass'through the hall plate and engage the heads of the nails and force them through the heel to attach it in the ordinary manner. During this movement the awls are only carried down to points just above the upper surface of the nail plate, see Fig. 10. Just before the end of this motion is reached the short plunger 48 will engage the end of the lever 68 and force the same downwardly, so that its opposite end will engage the sleeve 66 andforce itupwardly withdrawing the brads 65 from the heel.

It may be here stated that the purpose of using two brads 65 instead of one, is that, if only one were (an-- ployed, and if it should strike the nail ordinarily used to attach the lifts of the heel together, the brad would I probably fail to attach the heel firmly to the nail plate,

.the heel from being firmly attached. The brads 64 also assist in attaching the heel tothemail-plate,and,

but it would be unlikely to happen that more than one of these brads would strike a nail which would'prevent furthermore, all of those brads perform the important function of holding the heelrigidly in place under the nail' plate while the drivers are forcing the nails through the heel and clenching them against the bottom of the last. It frequently. happens that a heel slips to a slight extent with relation to the nail plate as t'lie nails the difficulty abovereferred to.

The brads 65 having been almost wholly withdrawn by the action of the short driver 48, and the brads 64 being short, when the nail plate is raised at the end of the driving operation and upon the withdrawal of the drivers, said brads will readily become; disengaged from the heel. The operators assistant then unlocks the nail plate and withdraws it until it is stopped in its middle position over the nail holder by the entrance of pin 86 into recess 88. The operator releases the catch 59 of the turret as'soon as the cross licadis raised, so that the actuating lever 60 rotates it to carry the top,

lift'holder down to the jack, 2 top lift having previously beenplaced in said holder, and, while the turret is turn ing, he places another heel upon the holder 27, so that when he again moves the foot lever 16 to cause the cross head to descend the top lift will be spanked upon the heel which. has just'been attached and at the same time the new heel, which has been placed in the holder 27,

will be pricked by the descending awls, as before de scribed, said awls having been lowered to their opera- 'tive position by the rotation of the turret to bring the top lift holder into its operative position. The above describedopcration will then be repeated, the heel being attached by one motion of the cross-head, and the top lift being spanked on and the next heel being pricked simultaneously by the next motion of the crosshead.

Having thus described my invention, what I claim to be new and desire to secure by Letters Patent is:-

1. A heel nailing machine comprising heel attaching,

top lift attaching and heel pricking means, and operating means therefor permitting alternate operation of said attaching means. and simultaneous operation of one of said attaching nicnnsand said pricking means, substantially as described.

2. A heel nailing machine comprising heel and top' lift attaching means an'd means whereby they may be successively operated. heel pricking means, and means for opersting said pricking means simultaneously with one of said attaching meansv and for rendering it inoperative while the other attaching means is operating, substantially as described.

top lift attaching and heel pricking means, means permitting movement of said heel and top lift attaching means into and out of operntlveposition successively, and means for moving said pricking means'into and out of operative position upon corresponding movement of one of said attachim, means, substantially as described.

4. A heel nailing machine comprising heel attaching, top lift attaching and heel pricking means, means perof and out of operative position successively, and means moving said pricking means into and out of operative 1) ion upon corresponding movement oi said top-lift 11ttnching means, substantially as described; v o: A heel nailing machine, comprising a movable operutiilg head, heel attaching, top lift attaching and heel in means mounted on said head, means permitting nio'vem'ent of said uttzichin}, means into operative position successively and means whereby. one'of saiduttuching rifieans will hc-caused to operate upon one movement of the head and'the other attaching means and said pricking means will be caused to operate upon a succeeding movement of the l1end,.substantially as described.

(3. A heel milling machine comprising a movable operatinghead, heel attaching, top lift attaching and heel prickmitting movement of said heel and top lift attaching means- .95 3. Alice]. nailing machine comprising heelattaching,

ing meansbiounted on said head, means whereby said attacliing means may be successively moved into and out of operative position, means, connecting one ofsald attaching means and said pricking means for moving said pricking means into and out of operative position upon correspond lug movement of said attaching means, whereby one of said attaching means may be operated upon one movement of the head and the other attaclilngmeuns and-the prick lng means may be operated upon a succeeding movement of said head, substantially as described.

7. A heel nailing-machine comprising a vertically movable head, a turret mounted thereon, a series of drivers, and n lop llt't holder mounted on said turret, a series of awls mounted on said head, a heel holder adapted to hold the heel in position to be pricked by the awis when the head descends, connections between said awls and said turret wliereby'movement of said turret to one operative position will move the nwls to an inoperative position and movement of.the turret to its other operative position will move the owls to an operative position, substantially as described.

as described.

rally movable head. a turret mounted thereon. a series of drivers and a top lit't holder mounted on said turret and sut't' ively movable into operative position over said jack upon rotation thereof. a heel holder, an awl holder vertirally movable on said head over said heel holder, connections between said awl holder and d turret for lowering said aw] holder into operative positionatpnu rotation of theturret into one operative position. and for raising it to an inoperative position upon rotation of the turret to the other operative position. substantiallv as described.

A htel nailing maehine cotnpr ing heel and top lit't hing means and means when. r thcy may be si ively opt-rated. a heel pricking means, n s for operating said prit-kin; means upon one heel \vhil'eone of said attaching trierhanisms is m n-rating upon anothr heel. and means for ll'iilifil illlng the heel from id pru ing means to said attaching means. substantially as described.

i hel-l nailing maehine comprising a jack. a heel holder adjarent thereto. a seri s oi awls i'or l'orming the nail holes in the heel when held by said holder, means [or il'illlfil t ing the heel from said holder to said jack, means for attaching the heel to the shoe while held over said jar-k. top lilt attaching means. means wher ti l heel and top lil't atlaehing means may be sue means for o} rating said a\vls upon one heel during the time of operation ot' one oi said attaching means upon another heel, sub intially as described.

11. A heel nailing machine comprising ajaelc, a heel holder adjacent thereto a nail plate movable to predetermined positions over d holder and said jaek, a se awls. means t'or moving said awls through said plate to form nail holes in a heel held on said holder. means for simultaneous];- attaching the heel to the face of the plate, means permitting movement of the plate to rry the heel into position over, the ck and means for driving the nails to attach i'he heel while held in the latter position, substantiallvas described.

1" A heel nailing machine comprising a nail plate hav- 111. A heel nailing, maehine comprising a nail plate having a heel-engaging brad on the face, mean permitting movement of said plate to Dr! s the heel against the heel seat of the shoe, means tor driving the nails to attach the heel while held from transverse mo\ement said brad. and means movable iude mndenlly of the plate for withdrawing said brad from the heel at the end of the nail drivin operation, substantially as des ribed.

14. A heel nailing,machine comprising a nail plate, a proje'tion on th underside thereof, a h -e holder, means for forcing said plate into engagement with a heel held by said holder to cause said projectioiF-to onto the heel to attach the heel to the nail plate, a jack and means per mitting movement of the nail plate to carry the li in position over the jack and to pre. it against the bee eat ol the Hll'NL means for driving the nails to attach the heel thus held, and means for moving the brad indep -nd ol' the plate to disengage it from the h el, substanliall v as .lh'ci'ihtitl.

15. A heel nailing hold r adjacent thereto, a nai' plate, heel-engaging means lam-engaging brad on the face, means permitting t machine comprising a jack, a heel on said plate, a series of awls, means for simultaneously forcing said awls into ieel held by said holder and operating said engaging mean to connect the heel to said plate, means permitting nioyment of said plate to carry the heel into position over the jack, :1 driver head, means for moving,- said head to fasten the heel to the shoe and means for moving said heel-engaging means to disconnect the heel from the plate, substantially as described.

It}. A heel nailing I'hachine comprising a jack, a heel holder adjacent thereto, a nail plate, heel-engaging means on said plate, a series of awls, means for simultaneously forcing said awls into a heel held by said holder and operating said engaging means to connect the heel to said plate, means permitting movement of said plate to carry lht: heel into position over the jack, a driver head, means for moving said head to fasten the heel to the shoe and means carried by said driver head for moving .said heelengaging means to disconnect the heel from the plate during the. driving, operation, substantial'ly as des ribed.

17. A heel nailing machine comprising a jack, :1 heel holder adjacei t thereto, a nail plate having a. longitudinally movable attaching brad mounted therein, a series of awls, means for simultaneously forcing said atvls and said brad into a heel held by said holder, means permitting movement of said plate to Utll'l') the heel into position over the jack, a :ries of drivers. mea for operating said dri ers to attach the heel and for simultaneously lifting said brad to dis onnect the same from the heel, substan tially as described,

1 8. A heel nailiny, machine comprising a jack, .1 heel holder adjacent thereto, a nail plate having an attaching brad mounted therein and movable beyond the face of the plate to enter the heel, lilting devices for withdrawing the brad from the heel, a :ries of awls and means for simultaneously driving said awls and said brad into a heel held said holder, at seri of drivers and means for sitnultaneously operating said drivers and said lifting devie substantially as described.

1!). A heel nailing maehine comprising a l l holder, a series of :uvls, int-ans for forring said awls into a heel held by said holder to form nail holes thei .in, and means for varying the inclation of said-hol ler to vary the inclina tion at which iIii f lltjtil holes are formed, a jaek, and means for transferrin the heel from the holder to the jack in rally movablt 1, head having vertical guide-uays formed thcitm, a \m timlly movable nail plate holder having horizontal guide-a s and a nail plate mounted therein, a guiding support. for the rear end of said plate holder mounted in the b d. an extension rigidly connected to the front end of said holder slidahly mounted in the guide ways of said I. oss head, a jark, a heel holder disposed in the rear of Stil i ck and beneath said plate holder extension, an awl holder supported by said cross head above said heel holder, and heel and top lit't; attaching dev'it s aid cross head over said jack, substantially as carried by d s ri ed.

lu testimony whereof, l have signed my name to this speeilieation, in the presence of two subscribing witnesses.

GEORGE M. lll lluN illlll.

\\"itnesses:

l,. H. HAILKIAIAS, [1. .l. Norms. 

